Dictionary Lookup

Definitions, pronunciation, synonyms and antonyms for any English word. 100% free, no signup. Everything runs in your browser.

100% free No sign-up Private by design Works on any device
Dictionary LookupRuns locally

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Type an English word and this free dictionary gives you definitions grouped by part of speech, the phonetic spelling, an audio pronunciation where a recording exists, and lists of synonyms and antonyms tied to each meaning. No signup, no ads dressed up as buttons, and no thousand word history of the term standing between you and the definition.

This tool fetches entries from the Free Dictionary API, so one thing travels over the network: the word you look up. Nothing else does. There is no account, no API key, and I keep no log of what anyone searches. If the API is down, or a word simply is not in it, the tool tells you that directly instead of leaving you staring at a spinner.

How to use

  1. Type a word into the search box.
  2. Press Enter or click the search button.
  3. Read the definitions, grouped by part of speech so the noun senses and verb senses stay separate.
  4. Click the speaker icon to hear the pronunciation when audio is available.
  5. Skim the synonyms and antonyms listed under each meaning.
  6. Click any synonym to look it up directly and chain your way to exactly the right word.

Why use our dictionary lookup?

Grouping by part of speech sounds like a small thing until you look up a word like run or set. The noun and the verb are different beasts with different synonym families, and mashing every sense into one long list, which plenty of dictionary sites do, is how you end up choosing a word that means nearly but not quite what you intended.

The phonetics and audio matter more than people admit. English is my working language, but I did not grow up with all of it in my ear, and phonetic spellings have saved me from confidently mispronouncing words like segue and epitome in client calls. If you have ever only read a word and never heard it, the speaker icon is your friend.

For writers, the synonym and antonym lists turn this from a reference into a drafting tool. When a paragraph uses remarkable three times, a quick lookup breaks the loop. It pairs naturally with our word counter when you are writing to a limit and every word has to earn its slot.

Honesty about coverage: this runs on a free community API, and it shows. Common and moderately obscure words are well covered, but brand new slang, technical jargon and some rare terms may be missing, and not every entry has audio. When something is not there, the tool says not found rather than guessing, which I consider a feature.

And it is quick enough to use mid-sentence, which is the whole test for a reference tool. Look up, read, close, keep typing. No interstitial, no subscription prompt at word number five, no cookie wall taller than the definition. The big dictionary sites have become obstacle courses, and I wanted the version that respects the fact that you were in the middle of writing something.

Who is this tool for?

Editing your own writing is the daily case. When a word feels slightly off, check its actual definition, grab a sharper synonym, and move on. After the wording is fixed, running the piece through our readability checker tells you whether the whole paragraph got easier to read or just fancier.

Students use it for essays and vocabulary building, especially the antonyms, which are underrated for understanding what a word actually means by seeing what it is not. Chasing synonym chains for a few minutes is the closest a dictionary gets to being fun, and it beats memorizing flashcards because every hop teaches you the boundaries between words that only look interchangeable.

English learners get the most from the phonetic spellings and audio. Reading a definition tells you what a word means; hearing it tells you whether you can safely say it in a meeting tomorrow. The part of speech grouping also helps untangle why one English word seems to mean four things.

Word game players settle disputes with it. Whether a word is real, what it actually means, and whether your opponent's triple word score deserves to stand. For longer texts, our text summarizer handles the opposite problem: too many words rather than one.

Frequently asked questions

Where do the definitions come from?

From the Free Dictionary API, a free, open dictionary service. The tool sends it the word you typed and displays what comes back, with no account or key needed.

Is every English word covered?

No, and I will not pretend otherwise. Common words are covered well, but very new slang, niche technical terms and some rare words may be missing. When a word is not found, the tool says so clearly.

Does every word have audio pronunciation?

Not all of them. Audio depends on whether the API has a recording for that entry. When it exists you get a speaker icon; when it does not, the phonetic spelling still shows you how the word sounds.

What travels over the network when I search?

Just the word you look up, sent to the Free Dictionary API to fetch the entry. No personal information rides along, and no history of your searches is kept anywhere.

Does it support languages other than English?

No, this tool is English only. Definitions, phonetics, synonyms and antonyms all come from English entries.

Can I use it offline?

No. Unlike most tools on this site, a dictionary this size cannot live in your browser, so each lookup needs a network request to the API.

Are the synonym lists a full thesaurus?

Not quite. Synonyms and antonyms are tied to specific senses of the word, which keeps them relevant but means the lists are shorter than a dedicated thesaurus would give you.

Is it really free?

Completely. No signup, no lookup limit, no premium tier. It costs me almost nothing to run, so it costs you nothing to use.

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